Philips Avent Classic nipple Variable 3m+,  you can adjust the flow rate by simply
turning the bottle.

Your baby controls the milk flow, which can help reduce overeating
and spit-up.

Extra soft silicone nipple with built-in anti-colic valve.

Use only with Philips AventClassic feeding bottles.
Nipples are available in packs of 2
Ideal for thicker liquids – 3M+
• Adjust the flow rate for baby’s convenience
More comfortable feed at baby’s chosen pace
• Easy latch on due to the unique valve on the teat
Reduce fussing and discomfort
• Clinically proven to significantly reduce fussing
Air goes into the bottle, not baby’s tummy
• Unique anti-colic system
BPA Free (0% Bisphenol A)
• BPA free teat